Home / 18,429.28-25,432.48-10,474.16

Finding the Fourth Proportional to 18,429.28, 25,432.48 and 10,474.16

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Solution

The fourth proportional to 18,429.28, 25,432.48 and 10,474.16 is: 14,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.28 : 25,432.48 = 10,474.16 : x
  2. Step 2: Convert to fraction form
    18,429.28/25,432.48 = 10,474.16/x
  3. Step 3: Cross multiply
    18,429.28x = 25,432.48 × 10,474.16
  4. Step 4: Simplify right side
    18,429.28x = 266,383,864.72
  5. Step 5: Solve for x
    x = 266,383,864.72/18,429.28
  6. Step 6: Final answer
    x = 14,454.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.